Speaker manufacturers are actively experimenting with different materials to create both cabinets and speaker cones. It is difficult to name a material that has not yet been tried in one or another structural element of acoustic systems.
We have collected several interesting models that are examples of an unconventional approach.
The Concrete Family Le Pave Parisien
The product of a crowdfunding campaign that culminated in the release of Le Pavé Parisien, a wireless speaker that mimics the concrete blocks that line the streets of Paris. The column is a small cubic speaker with a side of 10 cm, the body of which is made of high-strength reinforced concrete. A broadband driver with a diameter of 9 cm is responsible for playing music, as well as a built-in class D amplifier with a power of 20 watts. The internal battery provides autonomy for 8 hours. The weight of a small concrete column is only 1.3 kilograms. Offered Le Pavé Parisien for 350 euros.
BetonArt Arrivato Active
Much more serious concrete acoustics from a German company, which even introduced the name of the material into the brand name. The model is a three-way design, built on high-quality speakers. The high-frequency range is sounded by a ribbon emitter, at medium frequencies a ceramic driver from Accuton, carefully covered with a mesh, works. Two branded speakers with aluminum diffusers are responsible for the bass. The speaker cabinets are made of concrete of a special grade, additionally reinforced with carbon threads. As you might expect, the weight of each speaker inspires respect – 102 kilograms, and this despite not the largest dimensions – 127 x 21 x 34 cm. .
Teufel x Rosentahl
Wireless speakers with porcelain enclosures, created in collaboration with the famous brand Rosentahl. The thick, unvarnished porcelain used in the speakers has excellent anti-vibration characteristics and does not resemble thin, weightless coffee cups. Special metal stands are designed in such a way as to minimize contact with speaker cabinets. The acoustic part includes a 25 mm soft dome tweeter and a mid/bass driver with a 12 cm metal cone in a coaxial configuration. The long pipe of the phase inverter is directed to the floor. The kit includes an electronics box in a porcelain case, it has an integrated class D amplifier delivering 40 watts per channel, as well as a built-in streamer. A total of 500 copies were produced, sold at a price of 4,000 euros per pair.
SoundSpace Systems Robin
Natural wood cabinets are not uncommon, but the SoundSpace Systems Robin is distinguished by the fact that its cabinet is entirely made of bamboo, with the exception of the Klanghorn horn, which is machined from mahogany. This is a semi-active speaker, designed to work with single-ended tube amplifiers on straight-line 300V triodes. The passive section has a sensitivity of 96 dB, it includes two 10-inch woofers and an AMT ribbon driver, made by special order from the German company Mundorf. The price of one pair is 32,000 euros.
Acora Acoustics SRC-2
The Canadian company Acora Acoustics, beloved by audiophiles, produces floor-standing speakers in granite cabinets. According to the developer, it is this material, coupled with the chosen shape, that makes it possible to do without internal ties and partitions. With a fairly modest size, the weight of each column is 110 kilograms! The model has a two-way design, in which the mid-range and low-frequency range are sounded by dual 7-inch drivers with cellulose cones, and a speaker with a pure beryllium dome is responsible for the high frequencies. The price for a pair of Acora Acoustics SRC-2 speakers is $36,000.
Technics SB-AFP10
Amazing speaker systems from 1988 differ not only in an atypical form factor, but also in the use of unusual materials for the manufacture of speakers at that time. Flat dynamic radiators AFP (Acoustic Flat Panels) are equipped with diffusers made of mica and chitin (!), from which beetle shells are made in nature. The tweeter has a diamond-coated membrane. For that era, these were very expensive speakers – the price was 500,000 yen.
Mo° sound
Another original acoustics is made in Austria. In the assortment of the company there are several different models, united by one feature – their cases are made of porcelain. A special kind of triple-fired porcelain is used, which makes the walls strong enough. All the company’s speakers are built on broadband radiators in a closed acoustic design, in total the company produces three bookshelf models Classic, Superior and Augarten, as well as the Bass model, which is a triphonic consisting of two Classic speakers and a subwoofer on a tripod. Prices range from 900 euros to 6,600 euros per pair.
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